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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

90 °C
60°C
100 °C
70 °C

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication origins
Replication forks
Leading strands
Okazaki fragments

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

Leaderberg
R. Franklin
L. Pauling
W.H. Bragg

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DNA Structure and Replication
The nucleosome consists of histone

octamer and 146 bp of DNA
tetramer and 146 bp of DNA
hexamer and 146 bp of DNA
None of these

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DNA Structure and Replication
Automated DNA sequencing uses the chain termination method

with no primer
either (b) or (c)
but with a polynucleotide primer labeled with a fluorescent dye
but with an oligonucleotide primer labeled with a fluorescent dye

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

restriction endonuclease
transposase
reverse transcriptase
helicase

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